/Engine/Source/Editor/DataLayerEditor/Public/DataLayerEditorModule.h
Delegates to be called to extend the DataLayers menus
typedef TPair< [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< const [UDataLayerInstance](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerInstance) >, [TWeakObjectPtr](API\Runtime\Core\UObject\TWeakObjectPtr)< const [AActor](API\Runtime\Engine\GameFramework\AActor) > > FDataLayerActor